Home / 82,782.97-124,176.89-22,812.36

Finding the Fourth Proportional to 82,782.97, 124,176.89 and 22,812.36

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Solution

The fourth proportional to 82,782.97, 124,176.89 and 22,812.36 is: 34,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,782.97 : 124,176.89 = 22,812.36 : x
  2. Step 2: Convert to fraction form
    82,782.97/124,176.89 = 22,812.36/x
  3. Step 3: Cross multiply
    82,782.97x = 124,176.89 × 22,812.36
  4. Step 4: Simplify right side
    82,782.97x = 2,832,767,450.03
  5. Step 5: Solve for x
    x = 2,832,767,450.03/82,782.97
  6. Step 6: Final answer
    x = 34,219.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.